SciDev.Net: We must bridge the research–policy gap and use existing information to reduce the health risks caused by climate change, says Dziedzom De Souza. He argues that although much research has focused on predicting climate change’s impact on health, little has actually been applied to controlling or preventing diseases. For example, studies have shown that a malaria epidemic is five times more likely in the year following an El Niño event — but this information is not being used to …